MERCURY COMPUTER SYSTEMS INC (MRCY) is a publicly traded company in the Unknown sector. Across all available filings, 54 corporate insiders have executed 1033 transactions totaling $315.5M, demonstrating a bearish sentiment with -$169.2M in net insider flow. The most recent transaction on Feb 9, 2026 involved a sale of 400,000 shares valued at $32.4M.
No significant insider buying has been recorded for MRCY in the recent period.
No significant insider selling has been recorded for MRCY in the recent period.
Based on recent SEC filings, insider sentiment for MRCY is bearish with an Insider Alignment Score of 23/100 and a net flow of -$169.2M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at MERCURY COMPUTER SYSTEMS INC (MRCY) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 54 insiders are actively trading MRCY stock, having executed 1033 transactions in the past 90 days. The most active insider is Partners Management, Lp Jana (Executive), who has made 15 transactions totaling $225.7M.
Get notified when executives and directors at MRCY file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Feb 9, 2026 | Management, Lp Jana Partners | Executive | Sale | 400,000 | $81.00 | $32.4M | Large |
| Jan 15, 2026 | R. Nearhos Barry | Executive | Award | 474 | $N/A | $0 | |
| Nov 12, 2025 | Munro Douglas | Executive | Sale | 1,329 | $73.42 | $97.6K | |
| Nov 7, 2025 | A. Plunkett Debora | Executive | Sale | 1,700 | $73.99 | $125.8K | |
| Nov 6, 2025 | Management, Lp Jana Partners | Executive | Sale | 1,000,000 | $75.45 | $75.5M | Large |
| Oct 22, 2025 | S. Disbrow Lisa | Executive | Award | 2,362 | $N/A | $0 | |
| Oct 22, 2025 | D. Carvalho Orlando | Executive | Award | 2,362 | $N/A | $0 | |
| Oct 22, 2025 | L. Lance Howard | Executive | Award | 2,362 | $N/A | $0 | |
| Oct 22, 2025 | R. Nearhos Barry | Executive | Award | 2,362 | $N/A | $0 | |
| Oct 22, 2025 | J. Demuro Gerard | Executive | Award | 2,362 | $N/A | $0 | |
| Oct 22, 2025 | A. Plunkett Debora | Executive | Award | 2,362 | $N/A | $0 | |
| Oct 22, 2025 | Management, Lp Jana Partners | Executive | Award | 2,362 | $N/A | $0 | |
| Oct 22, 2025 | A. Bua Jean | Executive | Award | 2,362 | $N/A | $0 | |
| Oct 16, 2025 | R. Nearhos Barry | Executive | Award | 487 | $N/A | $0 | |
| Sep 16, 2025 | Munro Douglas | Executive | Sale | 67 | $73.40 | $4.9K |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 468 | $242.4M | 66.4% |
Purchase(P) | 83 | $73.1M | 20.0% |
Payment(F) | 146 | $40.6M | 11.1% |
Exercise(M) | 24 | $8.3M | 2.3% |
Gift(G) | 4 | $631.4K | 0.2% |
Award(A) | 305 | $0 | 0.0% |
Disposition(D) | 3 | $0 | 0.0% |
Insider selling pressure at MERCURY COMPUTER SYSTEMS INC has increased, with 54 insiders executing 1033 transactions across all time. Total sales of $242.4M significantly outpace purchases of $73.1M, resulting in a net outflow of $169.2M. This selling activity appears largely discretionary, which may warrant closer attention from investors.